DE4301827A1 - Eliminieren von Abtaststörungen - Google Patents

Eliminieren von Abtaststörungen

Info

Publication number
DE4301827A1
DE4301827A1 DE4301827A DE4301827A DE4301827A1 DE 4301827 A1 DE4301827 A1 DE 4301827A1 DE 4301827 A DE4301827 A DE 4301827A DE 4301827 A DE4301827 A DE 4301827A DE 4301827 A1 DE4301827 A1 DE 4301827A1
Authority
DE
Germany
Prior art keywords
scanning
auxiliary
light spot
interference
stum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE4301827A
Other languages
German (de)
English (en)
Inventor
Hans-Robert Kuehn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Priority to DE4301827A priority Critical patent/DE4301827A1/de
Priority to EP94905087A priority patent/EP0681731B1/de
Priority to DE59401268T priority patent/DE59401268D1/de
Priority to ES94905087T priority patent/ES2097028T3/es
Priority to CN94191330A priority patent/CN1046367C/zh
Priority to JP6516641A priority patent/JPH08509088A/ja
Priority to KR1019950703048A priority patent/KR100318508B1/ko
Priority to PCT/EP1994/000124 priority patent/WO1994017525A1/de
Priority to US08/481,456 priority patent/US5841745A/en
Publication of DE4301827A1 publication Critical patent/DE4301827A1/de
Priority to HK72597A priority patent/HK72597A/xx
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE4301827A 1993-01-23 1993-01-23 Eliminieren von Abtaststörungen Withdrawn DE4301827A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE4301827A DE4301827A1 (de) 1993-01-23 1993-01-23 Eliminieren von Abtaststörungen
JP6516641A JPH08509088A (ja) 1993-01-23 1994-01-19 走査妨害の除去
DE59401268T DE59401268D1 (de) 1993-01-23 1994-01-19 Eliminieren von abtaststörungen
ES94905087T ES2097028T3 (es) 1993-01-23 1994-01-19 Eliminacion de perturbaciones de exploracion.
CN94191330A CN1046367C (zh) 1993-01-23 1994-01-19 消除扫描干扰的光学头
EP94905087A EP0681731B1 (de) 1993-01-23 1994-01-19 Eliminieren von abtaststörungen
KR1019950703048A KR100318508B1 (ko) 1993-01-23 1994-01-19 스캐닝방해의제거
PCT/EP1994/000124 WO1994017525A1 (de) 1993-01-23 1994-01-19 Eliminieren von abtaststörungen
US08/481,456 US5841745A (en) 1993-01-23 1994-01-19 Method and apparatus for eliminating disturbances encountered during scanning of an information carrier
HK72597A HK72597A (en) 1993-01-23 1997-05-29 Elimination of scanning disturbances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4301827A DE4301827A1 (de) 1993-01-23 1993-01-23 Eliminieren von Abtaststörungen

Publications (1)

Publication Number Publication Date
DE4301827A1 true DE4301827A1 (de) 1994-07-28

Family

ID=6478810

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4301827A Withdrawn DE4301827A1 (de) 1993-01-23 1993-01-23 Eliminieren von Abtaststörungen
DE59401268T Expired - Lifetime DE59401268D1 (de) 1993-01-23 1994-01-19 Eliminieren von abtaststörungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59401268T Expired - Lifetime DE59401268D1 (de) 1993-01-23 1994-01-19 Eliminieren von abtaststörungen

Country Status (9)

Country Link
US (1) US5841745A (es)
EP (1) EP0681731B1 (es)
JP (1) JPH08509088A (es)
KR (1) KR100318508B1 (es)
CN (1) CN1046367C (es)
DE (2) DE4301827A1 (es)
ES (1) ES2097028T3 (es)
HK (1) HK72597A (es)
WO (1) WO1994017525A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10100881A1 (de) * 2001-01-11 2002-07-25 Bosch Gmbh Robert Vorrichtung zur Seitenaufpralldetektion in einem Kraftfahrzeug

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002109778A (ja) * 2000-09-29 2002-04-12 Pioneer Electronic Corp 光ピックアップ装置
DE10214775A1 (de) * 2002-04-03 2003-10-16 Thomson Brandt Gmbh Vorrichtung zur Korrektur von Signalmodulationen
DE602005015350D1 (de) * 2004-09-16 2009-08-20 Koninkl Philips Electronics Nv Optische abtastvorrichtung
US10153838B1 (en) 2016-12-28 2018-12-11 Facebook, Inc. Quad tracker with birefringent optics

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339736C1 (de) * 1983-11-03 1985-06-05 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung
US5050153A (en) * 1989-06-06 1991-09-17 Wai-Hon Lee Semiconductor laser optical head assembly
DE4029040C2 (es) * 1989-09-14 1992-01-23 Mitsubishi Denki K.K., Tokio/Tokyo, Jp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160269A (en) * 1971-03-04 1979-07-03 U.S. Philips Corporation Apparatus for optically reading a phase-modulated optical record carrier
GB2137746A (en) * 1983-04-05 1984-10-10 Hewlett Packard Co Apparatus for Detecting Deviations of Position from a Reference
JPH0677318B2 (ja) * 1983-12-05 1994-09-28 ソニー株式会社 光デイスク記録装置
US4706235A (en) * 1985-01-25 1987-11-10 Storage Technology Partners 11 Differential track recording
EP0239131A3 (en) * 1986-03-28 1989-05-24 Csk Corporation Optical recording medium and tracking method therefor
JPH01269240A (ja) * 1988-04-20 1989-10-26 Csk Corp 光記録装置
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
US5694385A (en) * 1993-09-24 1997-12-02 Ricoh Comany, Ltd. Optical pickup apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339736C1 (de) * 1983-11-03 1985-06-05 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung
US5050153A (en) * 1989-06-06 1991-09-17 Wai-Hon Lee Semiconductor laser optical head assembly
DE4029040C2 (es) * 1989-09-14 1992-01-23 Mitsubishi Denki K.K., Tokio/Tokyo, Jp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10100881A1 (de) * 2001-01-11 2002-07-25 Bosch Gmbh Robert Vorrichtung zur Seitenaufpralldetektion in einem Kraftfahrzeug
DE10100881B4 (de) * 2001-01-11 2006-05-11 Robert Bosch Gmbh Vorrichtung zur Seitenaufpralldetektion in einem Kraftfahrzeug

Also Published As

Publication number Publication date
ES2097028T3 (es) 1997-03-16
KR960700506A (ko) 1996-01-20
KR100318508B1 (ko) 2002-04-22
CN1046367C (zh) 1999-11-10
WO1994017525A1 (de) 1994-08-04
HK72597A (en) 1997-06-06
CN1118634A (zh) 1996-03-13
JPH08509088A (ja) 1996-09-24
US5841745A (en) 1998-11-24
DE59401268D1 (de) 1997-01-23
EP0681731A1 (de) 1995-11-15
EP0681731B1 (de) 1996-12-11

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8141 Disposal/no request for examination